<template>
  <el-card class="box-card">
    <div slot="header" class="clearfix">
      <h2>缺勤记录管理</h2>
      <el-divider></el-divider>
      <el-form ref="absencesSearchForm" :inline="true" :model="searchForm" class="demo-form-inline">
        <el-form-item prop="sname">
          <el-input v-model.trim="searchForm.sname" clearable placeholder="学生姓名"></el-input>
        </el-form-item>
        <el-form-item prop="dormId">
          <el-select v-model.number="searchForm.dormId" clearable placeholder="请选择宿舍楼">
            <el-option v-for="item in $store.state.dorms" :key="item.id" :label="item.cname" :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item prop="startTime">
          <el-date-picker v-model="searchForm.startTime" type="datetime" placeholder="选择开始时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item prop="endTime">
          <el-date-picker v-model="searchForm.endTime" type="datetime" placeholder="选择结束时间">
          </el-date-picker>
        </el-form-item>

        <el-form-item>
          <el-button type="primary" @click="onSubmit">查询</el-button>
          <el-button type="default" @click="onReset">重置</el-button>
        </el-form-item>
      </el-form>
      <div>
        <el-button type="success" @click="toAdd">添加</el-button>
        <el-button type="danger" @click="delBatch">批量删除</el-button>
      </div>
    </div>
    <el-table :data="tableData" border stripe @selection-change="handleSelectionChange" style="width: 100%">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column prop="id" label="序号">
      </el-table-column>
      <el-table-column prop="code" label="学号">
      </el-table-column>
      <el-table-column prop="sname" label="姓名">
      </el-table-column>
      <el-table-column prop="dormName" label="宿舍楼">
      </el-table-column>
      <el-table-column prop="roomId" label="寝室">
      </el-table-column>
      <el-table-column prop="createDate" label="日期">
      </el-table-column>
      <el-table-column prop="remark" label="备注">
      </el-table-column>
      <el-table-column fixed="right" label="操作">
        <template slot-scope="scope">
          <el-button @click="handleEdit(scope.row)" type="success" size="small">编辑</el-button>
          <el-button @click="handleDel(scope.row)" type="danger" size="small">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-divider />
    <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="pager.pageNum"
      :page-sizes="pager.options" :page-size="pager.pageSize" layout="total, prev, pager, next, jumper, sizes"
      :total="pager.count">
    </el-pagination>
  </el-card>
</template>

<script>
  import absencesApi from "@/http/absencesApi";

  export default {
    name: "Welcome",
    created() {
      //当Vue实例创建成功时
      this.getList();
    },
    data() {
      return {
        searchForm: {},
        tableData: [],
        batchIds: [],
        // adminNames: [],
        pager: {
          pageNum: 1,
          pageSize: 10
        }
      }
    },
    methods: {
      toAdd() {
        this.$router.push("/absences/toAdd.html");
      },
      delBatch() {
        if (this.batchIds.length == 0) {
          this.$message.warning("请勾选要删除的数据！")
          return;
        }
        let result = confirm("确要删除该记录吗？");
        if (result) {
          absencesApi.delBatch(this.batchIds).then(res => {
            if (res.data.code == 200) {
              this.$message.success(res.data.msg);
              this.getList();
            }
          });
        }
      },
      getList() {
        absencesApi.getByPage(this.searchForm, {
          pageNum: this.pager.pageNum,
          pageSize: this.pager.pageSize
        }).then(res => {
          console.log(res);
          if (res.data.code == 200) {
            this.pager = res.data.data;
            this.tableData = this.pager.data;
          }
        })
      },
      onSubmit() {
        this.getList();
      },
      onReset() {
        this.$refs["absencesSearchForm"].resetFields();
      },
      handleSelectionChange(val) {
        console.log(val);
        this.batchIds = [];
        val.forEach(item => this.batchIds.push(item.id));
      },
      handleEdit(row) {
        console.log(row);
        this.$router.push(`/absences/toEdit/${row.id}.html`)
      },
      handleDel(row) {
        console.log(row);
        let result = confirm("确要删除该记录吗？");
        if (result) {
          absencesApi.del(row.id).then(res => {
            if (res.data.code == 200) {
              this.$message.success(res.data.msg);
              this.getList();
            }
          });
        }
      },
      handleSizeChange(val) {
        console.log(`每页 ${val} 条`);
        this.pager.pageSize = val;
        this.getList();
      },
      handleCurrentChange(val) {
        console.log(`当前页: ${val}`);
        this.pager.pageNum = val;
        this.getList();
      }
    }
  }
</script>

<style scoped>
  .el-pagination {
    text-align: center;
  }
</style>